@@ -56,12 +56,15 @@ ;; (string-intersperse (map number->string (u8vector->list (hostname->ip hostname))) ".") (server:get-best-guess-address hostname) #f))) (if ipstr ipstr hostn))) ;; hostname))) (start-port (portlogger:open-run-close portlogger:find-port)) - (link-tree-path (common:get-linktree))) ;; (configf:lookup *configdat* "setup" "linktree"))) + (link-tree-path (common:get-linktree)) + (tmp-area (common:get-db-tmp-area)) + (start-file (conc tmp-area "/.server-start"))) (debug:print-info 0 *default-log-port* "portlogger recommended port: " start-port) + ;; set some parameters for the server (root-path (if link-tree-path link-tree-path (current-directory))) ;; WARNING: SECURITY HOLE. FIX ASAP! (handle-directory spiffy-directory-listing) (handle-exception (lambda (exn chain) @@ -103,10 +106,11 @@ ((equal? (uri-path (request-uri (current-request))) '(/ "hey")) (send-response body: "hey there!\n" headers: '((content-type text/plain)))) (else (continue)))))))) + (with-output-to-file start-file (lambda ()(print (current-process-id)))) (http-transport:try-start-server ipaddrstr start-port))) ;; This is recursively run by http-transport:run until sucessful ;; (define (http-transport:try-start-server ipaddrstr portnum) @@ -238,10 +242,11 @@ (msg ((condition-property-accessor 'exn 'message) exn))) (set! success #f) (debug:print 0 *default-log-port* "WARNING: failure in with-input-from-request to " fullurl ".") (debug:print 0 *default-log-port* " message: " msg) (debug:print 0 *default-log-port* " cmd: " cmd " params: " params) + (debug:print 0 *default-log-port* " call-chain: " call-chain) (if runremote (remote-conndat-set! runremote #f)) ;; Killing associated server to allow clean retry.") ;; (tasks:kill-server-run-id run-id) ;; better to kill the server in the logic that called this routine? (mutex-unlock! *http-mutex*) @@ -249,11 +254,11 @@ ;;; (make-property-condition 'commfail 'message "failed to connect to server"))) ;;; "communications failed" (db:obj->string #f)) (with-input-from-request ;; was dat fullurl - (list (cons 'key "thekey") + (list (cons 'key (or *server-id* "thekey")) (cons 'cmd cmd) (cons 'params sparams)) read-string)) transport: 'http) 0)) ;; added this speculatively @@ -300,10 +305,11 @@ exn (begin (print-call-chain *default-log-port*) (debug:print-error 0 *default-log-port* " closing connection failed with error: " ((condition-property-accessor 'exn 'message) exn))) (close-connection! api-dat) + (close-idle-connections!) #t)) #f))) (define (make-http-transport:server-dat)(make-vector 6)) @@ -347,11 +353,13 @@ (define (http-transport:keep-running) ;; if none running or if > 20 seconds since ;; server last used then start shutdown ;; This thread waits for the server to come alive (debug:print-info 0 *default-log-port* "Starting the sync-back, keep alive thread in server") - (let* ((server-start-time (current-seconds)) + (let* ((tmp-area (common:get-db-tmp-area)) + (started-file (conc tmp-area "/.server-started")) + (server-start-time (current-seconds)) (server-info (let loop ((start-time (current-seconds)) (changed #t) (last-sdat "not this")) (let ((sdat #f)) (thread-sleep! 0.01) @@ -376,13 +384,16 @@ (equal? sdat last-sdat) sdat))))))) (iface (car server-info)) (port (cadr server-info)) (last-access 0) - (server-timeout (server:get-timeout)) + (server-timeout (server:expiration-timeout)) (server-going #f) (server-log-file (args:get-arg "-log"))) ;; always set when we are a server + + (with-output-to-file started-file (lambda ()(print (current-process-id)))) + (let loop ((count 0) (server-state 'available) (bad-sync-count 0) (start-time (current-milliseconds))) ;; Use this opportunity to sync the tmp db to megatest.db @@ -430,21 +441,15 @@ (flush-output *default-log-port*))) (if (common:low-noise-print 60 "dbstats") (begin (debug:print 0 *default-log-port* "Server stats:") (db:print-current-query-stats))) - (let* ((hrs-since-start (/ (- (current-seconds) server-start-time) 3600)) - (adjusted-timeout (if (> hrs-since-start 1) ;; never used! - (- server-timeout (inexact->exact (round (* hrs-since-start 60)))) ;; subtract 60 seconds per hour - server-timeout))) - (if (common:low-noise-print 120 "server timeout") - (debug:print-info 0 *default-log-port* "Adjusted server timeout: " adjusted-timeout)) + (let* ((hrs-since-start (/ (- (current-seconds) server-start-time) 3600))) (cond ((and *server-run* (> (+ last-access server-timeout) - (current-seconds)) - (< (- (current-seconds) server-start-time) 3600)) ;; do not update log or touch log if we've been running for more than one hour. + (current-seconds))) (if (common:low-noise-print 120 "server continuing") (debug:print-info 0 *default-log-port* "Server continuing, seconds since last db access: " (- (current-seconds) last-access)) (let ((curr-time (current-seconds))) (handle-exceptions exn @@ -491,10 +496,23 @@ ;; all routes though here end in exit ... ;; ;; start_server? ;; (define (http-transport:launch) + ;; check that a server start is in progress, pause or exit if so + (let* ((tmp-area (common:get-db-tmp-area)) + (server-start (conc tmp-area "/.server-start")) + (server-started (conc tmp-area "/.server-started")) + (start-time (common:lazy-modification-time server-start)) + (started-time (common:lazy-modification-time server-started)) + (server-starting (< start-time started-time)) ;; if start-time is less than started-time then a server is still starting + (start-time-old (> (- (current-seconds) start-time) 5))) + (if (and (not start-time-old) ;; last server start try was less than five seconds ago + (not server-starting)) + (begin + (debug:print-info 0 *default-log-port* "NOT starting server, there is either a recently started server or a server in process of starting") + (exit)))) ;; lets not even bother to start if there are already three or more server files ready to go (let* ((num-alive (server:get-num-alive (server:get-list *toppath*)))) (if (> num-alive 3) (begin (debug:print 0 *default-log-port* "ERROR: Aborting server start because there are already " num-alive " possible servers either running or starting up") @@ -515,27 +533,27 @@ (thread-start! th3) (set! *didsomething* #t) (thread-join! th2) (exit))) -(define (http-transport:server-signal-handler signum) - (signal-mask! signum) - (handle-exceptions - exn - (debug:print 0 *default-log-port* " ... exiting ...") - (let ((th1 (make-thread (lambda () - (thread-sleep! 1)) - "eat response")) - (th2 (make-thread (lambda () - (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.") - (thread-sleep! 3) ;; give the flush three seconds to do it's stuff - (debug:print 0 *default-log-port* " Done.") - (exit 4)) - "exit on ^C timer"))) - (thread-start! th2) - (thread-start! th1) - (thread-join! th2)))) +;; (define (http-transport:server-signal-handler signum) +;; (signal-mask! signum) +;; (handle-exceptions +;; exn +;; (debug:print 0 *default-log-port* " ... exiting ...") +;; (let ((th1 (make-thread (lambda () +;; (thread-sleep! 1)) +;; "eat response")) +;; (th2 (make-thread (lambda () +;; (debug:print-error 0 *default-log-port* "Received ^C, attempting clean exit. Please be patient and wait a few seconds before hitting ^C again.") +;; (thread-sleep! 3) ;; give the flush three seconds to do it's stuff +;; (debug:print 0 *default-log-port* " Done.") +;; (exit 4)) +;; "exit on ^C timer"))) +;; (thread-start! th2) +;; (thread-start! th1) +;; (thread-join! th2)))) ;;====================================================================== ;; web pages ;;======================================================================